CN103635043B - Casting of electronic device and manufacture method thereof, there is the electronic equipment of this housing - Google Patents
Casting of electronic device and manufacture method thereof, there is the electronic equipment of this housing Download PDFInfo
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- CN103635043B CN103635043B CN201210298116.9A CN201210298116A CN103635043B CN 103635043 B CN103635043 B CN 103635043B CN 201210298116 A CN201210298116 A CN 201210298116A CN 103635043 B CN103635043 B CN 103635043B
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Abstract
The invention discloses a kind of casting of electronic device, including enclosure body and reinforced sheet, the laminating of described reinforced sheet is fixedly installed on the diapire inner surface of described enclosure body, and the material hardness of described reinforced sheet is more than the material hardness of described enclosure body.The present invention substantially increases the intensity of casting of electronic device, it is possible to the components and parts such as the LCD screen in effective protective housing, and housing has relatively thin diapire, and cost is relatively low.Additionally, present invention also offers the manufacture method of above-mentioned casting of electronic device, after injection mo(u)lding enclosure body, the diapire inner surface of enclosure body is pasted a piece of hardness reinforced sheet more than the material hardness of enclosure body, and at the temperature of 120～160 degree, stress on described reinforced sheet, vacuum heat-preserving, no less than 2 minutes, improves the adhesive strength of reinforced sheet, makes reinforced sheet difficult drop-off.On this basis, the present invention also provides for a kind of electronic equipment with this housing.
Description
Technical field
The present invention relates to electronic equipment, be specifically related to casting of electronic device and manufacture method thereof, there is the electronic equipment of this housing.
Background technology
Along with the progress of science and technology, CRT(CathodeRayTube, cathode-ray picture tube) display is gradually by LCD(LiquidCrystalDisplay, liquid crystal display) replaced.The outstanding advantages of LCD display is that volume is little, energy consumption is low, its appearance has promoted the flourish of Portable movable electronic product, nowadays, the portable mobile termianl such as MP3, MP4, panel computer, notebook computer has become as people's life, work and the indispensable helper of Mobile business.
In above-mentioned portable mobile termianl, the lcd screen of LCD display is protected by by housing (also known as back-cover).Therefore, casing rigidity must is fulfilled for the requirement of reliability stress test, and otherwise, when being subject to ambient pressure, the deformation of housing may be expressed to lcd screen, gently then makes lcd screen produce water ripples, heavy then the regional area of lcd screen can be made to sustain damage.Based on necessity of Ruggedized LCD display housing, the mode being most frequently with at present has following three kinds:
(1) thickness of engineering plastic materials housing is increased.Such as, the thickness of engineering plastic materials housing is increased to 1.8mm or more than 2mm；
(2) in the engineering plastic materials of injection moulding, glass fibre or carbon fiber are added；
(3) the metal material instead engineering plastic materials such as almag are adopted.
But, all there is certain deficiency in actual applications in three of the above mode.
(1st) advantage planting mode is convenient enforcement, but, which can cause the increase of complete machine thickness.Nowadays, light, thin design concept is the mainstream development trend of portable type electronic product, the pursuit that Ye Shi consumer is consistent, and when overall performance differs less, ultra-thin fuselage determines the key factor that consumer selects often.Therefore, this it is difficult to be accepted by manufacturer sacrificing the mode that ultra-thin fuselage is cost.
(2nd), (3rd) plants mode, although the problem solving casing rigidity preferably, but brings being significantly increased of cost.It addition, add glass fibre or carbon fiber in engineering plastic materials, it is difficult to after molding obtain more gorgeous outward appearance.
In view of this, it would be highly desirable to be optimized design for existing casting of electronic device so that it is there is relatively thin thickness, there is again higher intensity and non-deformability simultaneously.
Summary of the invention
For drawbacks described above, present invention solves the technical problem that and be in that, it is provided that a kind of casting of electronic device, to improve casing rigidity and non-deformability, the lightening design for electronic equipment provides safeguard.On this basis, the present invention also provides for the manufacture method of this casting of electronic device a kind of and has the electronic equipment of this housing.
Casting of electronic device provided by the invention, including enclosure body and reinforced sheet, the laminating of described reinforced sheet is fixedly installed on the diapire inner surface of described enclosure body, and the material hardness of described reinforced sheet is more than the material hardness of described enclosure body.
Preferably, the area of described reinforced sheet no less than described enclosure body diapire inner surface area 60%.
Preferably, described reinforced sheet is become latticed by multi-disc strip piece interconnection.
Preferably, described reinforced sheet is formed by multiple rectangle frames successively nesting, and multiple described rectangle frame is connected sheet by multi-disc bar shaped and connects fixing.
Preferably, described bar shaped connection sheet is separately positioned on four corners and the side central part of described rectangle frame.
Preferably, the profile of described reinforced sheet is " rice " font.
Preferably, described reinforced sheet is the rectangular slab of hollow out.
Preferably, the material of described enclosure body is engineering plastics, and the material of described reinforced sheet is rustless steel, aluminium alloy, magnesium alloy, almag, engineering plastics and glass fibre synthetic material or carbon fibre material.
Preferably, described enclosure body includes diapire and the sidewall arranged around described diapire, and the intersection of described diapire and described sidewall is provided with multiple ribs.
Preferably, the cross sectional shape of described ribs is rectangle, trapezoidal, triangle or recessed circular arc.
Preferably, the thickness of described ribs is less than or equal to the thickness of described sidewall.
Electronic equipment provided by the invention, including housing and be built in the internal functional elements in described housing, described housing is foregoing casting of electronic device specifically.
Preferably, described electronic equipment is notebook computer, panel computer, LCD display, LCD-TV, electricity paper book, game machine or multimedia player.
Present invention also offers the manufacture method of a kind of above-mentioned casting of electronic device, comprise the following steps:
Injection mo(u)lding enclosure body；
Pasting reinforced sheet on the diapire inner surface of described enclosure body, and stress on described reinforced sheet at the temperature of 120～160 degree, vacuum heat-preserving was no less than 2 minutes；
The material hardness of described reinforced sheet is more than the material hardness of described enclosure body.
Preferably, the time of vacuum heat-preserving is 2～8 minutes.
Casting of electronic device provided by the invention; on the enclosure body diapire inner surface of housing, the fixing a piece of hardness of laminating is more than the reinforced sheet of enclosure body hardness; substantially increase the intensity of casting of electronic device; can effective components and parts such as LCD screen in protective housing; and housing has relatively thin diapire, and cost is relatively low.
In the preferred version of the present invention, the profile of reinforced sheet is " rice " font, this scheme, and the punch-forming mold of reinforced sheet is fairly simple, has bigger bonding contact area, is conducive to improving the adhesive strength of reinforced sheet.
In another preferred version of the present invention, the material of enclosure body is engineering plastics, and the material of reinforced sheet is rustless steel, so arranges, and can effectively control manufacturing cost further.
In the another preferred version of the present invention, enclosure body includes diapire and the sidewall arranged around described diapire, the intersection of described diapire and described sidewall is provided with multiple ribs, thus the bonding strength that improve between the sidewall of enclosure body and diapire, it is prevented that wall deformation.
The manufacture method of casting of electronic device provided by the invention, after injection mo(u)lding enclosure body, the diapire inner surface of enclosure body is pasted a piece of hardness reinforced sheet more than the material hardness of enclosure body, and at the temperature of 120～160 degree, stress on described reinforced sheet, vacuum heat-preserving was no less than 2 minutes, can ensure that the adhesive strength improved between reinforced sheet and enclosure body so that reinforced sheet difficult drop-off, there is good job stability.
Casting of electronic device provided by the invention and manufacture method thereof are applicable to any electronic equipment, are particularly well-suited to notebook computer and panel computer.
Accompanying drawing explanation
Fig. 1 is the casting of electronic device structural representation described in detailed description of the invention；
Fig. 2 is the second schematic shapes of the reinforced sheet described in detailed description of the invention；
Fig. 3 is the third schematic shapes of the reinforced sheet described in detailed description of the invention；
Fig. 4 is the 4th kind of schematic shapes of the reinforced sheet described in detailed description of the invention；
Fig. 5 is the 5th kind of schematic shapes of the reinforced sheet described in detailed description of the invention；
Fig. 6 is the 6th kind of schematic shapes of the reinforced sheet described in detailed description of the invention.
In figure:
Enclosure body 10, reinforced sheet 20, strip piece 21, rectangle frame 22, bar shaped connect sheet 23.
Detailed description of the invention
The core of the present invention is to provide a kind of casting of electronic device; on the enclosure body diapire inner surface of housing, the fixing a piece of hardness of laminating is more than the reinforced sheet of enclosure body hardness; substantially increase the intensity of casting of electronic device; can effective components and parts such as LCD screen in protective housing; and housing has relatively thin diapire, and cost is relatively low.Below in conjunction with Figure of description, this detailed description of the invention is described in further detail, in order to those skilled in the art are more fully understood that.
Referring to Fig. 1, this figure is the casting of electronic device structural representation described in present embodiment.
What this illustrated is the display screen back cover of a kind of notebook computer, obviously, technical scheme provided by the invention, it is applicable not only to the display screen back cover of notebook computer, it is equally applicable to the back cover of the electronic equipments such as panel computer, LCD display, LCD-TV, electricity paper book, game machine or multimedia player, herein this programme application on other products is no longer carried out too much repeating.
Referring to Fig. 1, the casting of electronic device described in detailed description of the invention includes enclosure body 10 and the reinforced sheet 20 being fixedly installed on the diapire inner surface of enclosure body 10 of fitting, and the material hardness of reinforced sheet 20 is more than the material hardness of enclosure body 10.Show through pilot production, the area of reinforced sheet 20 no less than enclosure body 10 diapire inner surface area 60%, can effectively take into account strength reliability and gauge requirement.
In this detailed description of the invention, the material of enclosure body 10 is engineering plastics, and the material of reinforced sheet 20 is rustless steel.Certainly, reinforced sheet 20 can also aluminium alloy, magnesium alloy, almag, engineering plastics and glass fibre synthetic material or carbon fibre material etc..Wherein, when reinforced sheet 20 selects stainless steel material, less costly；And reinforced sheet 20 is when selecting magnesium alloy or carbon fibre material, lighter in weight.Comparing compared with product, technical scheme provided by the invention, the bottom wall thickness of housing adopts the product of engineering plastics injection moulding much smaller than entirety；Cost is significantly less than again the housing adopting magnesium alloy or carbon fibre material to make；It addition, moulding process is also relatively simple.
The Main Function of reinforced sheet 20 is the intensity improving shell bottom wall, it is possible to selects various shape, please also refer to Fig. 1, Fig. 2 and Fig. 3, respectively illustrates three kinds of difform embodiments of reinforced sheet 20.
Fig. 1 illustrates the first schematic shapes of reinforced sheet, and the profile of reinforced sheet 20 is " rice " font, this scheme, and the punch-forming mold of reinforced sheet is fairly simple, and has bigger bonding contact area, is conducive to improving the adhesive strength of reinforced sheet.
Fig. 2 illustrates the second schematic shapes of reinforced sheet, and reinforced sheet 20 is become latticed by multi-disc strip piece 21 interconnection in length and breadth, this scheme, and reinforced sheet has stronger toughness, it is possible to increase the crack resistance of housing.
Fig. 3 illustrates the third schematic shapes of reinforced sheet, reinforced sheet 20 is formed by multiple rectangle frame 22 nestings successively, and multiple rectangle frame 22 is connected sheet 23 by multi-disc bar shaped and connects fixing, bar shaped connects sheet 23 and is separately positioned on four corners and the side central part of rectangle frame 22.The crack resistance of the equally possible raising housing of the program.
It practice, reinforced sheet 20 can also select the rectangular slab form of hollow out, for instance the regular hexagon through hole shown in Fig. 4, or the manhole shown in Fig. 5, or the rhombus through hole shown in Fig. 6.The form of hollow out can alleviate the weight strengthening plate significantly.
Fit on the diapire inner surface of enclosure body 10 due to this programme and fix a piece of reinforced sheet 20, therefore, it can be substantially reduced the bottom wall thickness of enclosure body.Such as, when this programme is applied to the display screen bonnet of notebook computer, the thickness of diapire is 0.5mm, and the thickness of sidewall is 1.8mm, and the thickness of reinforced sheet is 0.3mm.Visible, the thickness of housing only has 0.8mm, and being significantly less than existing employing engineering plastics is the product of raw material, and, intensity is greatly improved again.
In order to improve the bonding strength between the sidewall of enclosure body and diapire, prevent wall deformation, multiple ribs can also be provided with in the intersection of diapire Yu sidewall, the thickness of ribs is less than or equal to the thickness of sidewall, so arrange, when adopting injection moulding integrated molding technique, formation housing outer surface defect in cooling forming process can be avoided.Wherein, the cross sectional shape of ribs can be configured according to actual needs, for instance, it is possible to for rectangle, trapezoidal, triangle or recessed circular arc.
On the basis of aforementioned electronic devices housing, present embodiment also provides for a kind of electronic equipment with this housing, and this electronic equipment can be notebook computer, panel computer, LCD display, LCD-TV, electricity paper book, game machine or multimedia player.As it was previously stated, the above-mentioned electronic equipment applying this version housing all can on the basis of same bearer intensity, it is thus achieved that less overall dimensions.Based on the requirement of self function, being provided with corresponding internal functional elements in the housing of above-mentioned electronic equipment, those skilled in the art can configure according to concrete function parameter, therefore repeats no more herein.
Except aforementioned electronic devices housing, present embodiment additionally provides the manufacture method of a kind of above-mentioned casting of electronic device, comprises the following steps:
Step 1: injection mo(u)lding enclosure body；
Step 2: pasting reinforced sheet on the diapire inner surface of described enclosure body, and stress on described reinforced sheet at the temperature of 120～160 degree, vacuum heat-preserving was no less than 2 minutes；Wherein, the material hardness of reinforced sheet is more than the material hardness of enclosure body.
In the above-mentioned methods, enclosure body and the material of reinforced sheet, shape etc. are previously sufficient description, are not repeated.Wherein, what adhesive was selected is Hot melt glue film, such as 3M615,3M668,3M583 etc. of 3M company；TESA company: TESA8432, TESA8475 etc.；Thinking Kappa company: H193, H192 etc., pressure time bonding, reinforced sheet applied is 7～15Kpa.Preferably material surface is processed before bonding, remove the dirt such as dust, oils and fats.
It should be noted that for general nameplate series products, after using Hot melt glue film bonding.But, owing to the technical program is applied to electronic product, reinforced sheet is once come off and electronic product will producing fatal harm, and therefore, the adhesive strength for reinforced sheet is had higher requirement.For this, in the technical program, need vacuum heat-preserving after reinforced sheet is bonding more than 2 minutes, thus improving the adhesive strength of reinforced sheet and enclosure body further.
It is that example illustrates by the moulding process of note-book computer display screen back cover and two kinds of specific products of panel computer back cover individually below.
(1) note-book computer display screen back cover.
The present embodiment is the display screen back cover of 14 cun of notebook computers, and its shell bottom wall inner surface area is 724cm2: Fig. 1,2, the area respectively 506.8cm of the reinforced sheet of 3 three kind of shape2、470.6cm2、434.5cm2。
Selecting different reinforced sheets respectively, adopt product obtained for different moulding pressure p, heating-up temperature m and vacuum heat-preserving time t, the adhesive strength of reinforced sheet is respectively as shown in table 1 (experimental data is obtained by cupping machine).
Table 1: the adhesive strength test of the reinforced sheet on note-book computer display screen back cover.
(2) panel computer back cover.
The present embodiment is the back cover of 10 cun of panel computers, and its diapire inner surface area is 476cm2: select respectively Fig. 1,2, the reinforced sheet of 3 three kind of shape, the area of reinforced sheet respectively 333.2cm2、309.4cm2、285.6cm2。
Adopt the product obtained for time t of the different pressure p of pressurization, temperature m and vacuum heat-preserving, as shown in table 2 below respectively by the adhesive strength of reinforced sheet.
Table 2: the adhesive strength test of the reinforced sheet on panel computer back cover.
Found by the adhesive strength test of reinforced sheet on both the above specific product, by the reinforced sheet after bonding is carried out vacuum heat-preserving, it is possible to improve the adhesive strength of reinforced sheet and enclosure body further.But, after vacuum temperature retention time was more than 8 minutes, the consolidation of reinforced sheet is just no longer had obvious impact.Therefore, selecting vacuum heat-preserving 2～8 minutes, reinforced sheet can be pasted on securely on the inner surface of enclosure body diapire and not come off, and has higher production efficiency.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (15)
1. casting of electronic device, including enclosure body, it is characterised in that also include:
Reinforced sheet, laminating is fixedly installed on the diapire inner surface of described enclosure body, and the material hardness of described reinforced sheet is more than the material hardness of described enclosure body；
Described reinforced sheet is fixed on the diapire inner surface of described enclosure body by the mode pasted, and described reinforced sheet is pressurized at the temperature of 120～160 degree, and vacuum heat-preserving was no less than 2 minutes.
2. casting of electronic device according to claim 1, it is characterised in that the area of described reinforced sheet no less than described enclosure body diapire inner surface area 60%.
3. casting of electronic device according to claim 1, it is characterised in that the profile of described reinforced sheet is " rice " font.
4. casting of electronic device according to claim 1, it is characterised in that described reinforced sheet is formed by multiple rectangle frames successively nesting, and multiple described rectangle frame is fixing by multi-disc bar shaped connection sheet connection.
5. casting of electronic device according to claim 4, it is characterised in that described bar shaped connects sheet and is separately positioned on four corners and the side central part of described rectangle frame.
6. casting of electronic device according to claim 1, it is characterised in that described reinforced sheet is become latticed by multi-disc strip piece interconnection.
7. casting of electronic device according to claim 1, it is characterised in that described reinforced sheet is the rectangular slab of hollow out.
8. casting of electronic device according to claim 1, it is characterized in that, the material of described enclosure body is engineering plastics, and the material of described reinforced sheet is rustless steel, aluminium alloy, magnesium alloy, almag, engineering plastics and glass fibre synthetic material or carbon fibre material.
9. casting of electronic device according to claim 1, it is characterised in that described enclosure body includes the intersection of diapire and the sidewall arranged around described diapire, described diapire and described sidewall and is provided with multiple ribs.
10. casting of electronic device according to claim 9, it is characterised in that the cross sectional shape of described ribs is rectangle, trapezoidal, triangle or recessed circular arc.
11. casting of electronic device according to claim 9, it is characterised in that the thickness of described ribs is less than or equal to the thickness of described sidewall.
12. an electronic equipment, including housing and be built in the internal functional elements in described housing, it is characterised in that the concrete casting of electronic device as according to any one of claim 1 to 11 of described housing.
13. electronic equipment according to claim 12, it is characterised in that described electronic equipment is notebook computer, panel computer, LCD display, LCD-TV, electricity paper book, game machine or multimedia player.
14. the manufacture method of casting of electronic device, it is characterised in that comprise the following steps:
Injection mo(u)lding enclosure body；
Pasting reinforced sheet on the diapire inner surface of described enclosure body, and stress on described reinforced sheet at the temperature of 120～160 degree, vacuum heat-preserving was no less than 2 minutes；
The material hardness of described reinforced sheet is more than the material hardness of described enclosure body.
15. the manufacture method of casting of electronic device according to claim 14, it is characterised in that the time of vacuum heat-preserving is 2～8 minutes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210298116.9A CN103635043B (en) | 2012-08-20 | 2012-08-20 | Casting of electronic device and manufacture method thereof, there is the electronic equipment of this housing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210298116.9A CN103635043B (en) | 2012-08-20 | 2012-08-20 | Casting of electronic device and manufacture method thereof, there is the electronic equipment of this housing |
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| CN103635043A CN103635043A (en) | 2014-03-12 |
| CN103635043B true CN103635043B (en) | 2016-07-06 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106413294B (en) * | 2015-07-31 | 2019-10-29 | 联想(北京)有限公司 | A kind of electronic equipment shell and preparation method thereof |
| CN105630084B (en) * | 2015-12-22 | 2021-05-18 | 联想(北京)有限公司 | Electronic equipment |
| CN106852047A (en) * | 2017-03-01 | 2017-06-13 | 广东欧珀移动通信有限公司 | The housing unit of electronic installation and the electronic installation with it |
| CN106852048A (en) * | 2017-03-01 | 2017-06-13 | 广东欧珀移动通信有限公司 | The housing unit and electronic installation of electronic installation |
| CN110198366B (en) * | 2018-02-24 | 2022-02-11 | 北京小米移动软件有限公司 | Mobile terminal |
| CN108696610A (en) * | 2018-05-25 | 2018-10-23 | Oppo广东移动通信有限公司 | The manufacturing method of shell, electronic device and shell |
| CN111867296B (en) * | 2020-08-04 | 2021-12-07 | Oppo广东移动通信有限公司 | Electronic equipment and center thereof |
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| CN101427291A (en) * | 2006-04-24 | 2009-05-06 | 日东电工株式会社 | Reinforcing sheet for image display, image display, and method for reinforcing the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100556845B1 (en) * | 2003-05-12 | 2006-03-10 | 엘지전자 주식회사 | Case assembling structure for mobile phone |
| JP4439324B2 (en) * | 2004-04-27 | 2010-03-24 | 株式会社東芝 | Electronic device casing structure and electronic device |
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| JPH0962400A (en) * | 1995-08-23 | 1997-03-07 | Fujitsu Ltd | Information processor |
| CN1575971A (en) * | 2003-07-04 | 2005-02-09 | 日东电工株式会社 | Reinforcing sheet for steel plate |
| CN101427291A (en) * | 2006-04-24 | 2009-05-06 | 日东电工株式会社 | Reinforcing sheet for image display, image display, and method for reinforcing the same |
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